Method for masking confidential written material

Details Method for masking confidential written material Method for masking confidential written material

1992-08-10

1994-06-28

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156230, 283 81, 283101, 283901, 428915, 428916, B32B 3100

Patent

active

053243803

ABSTRACT:
A method for determining whether confidential written material has been tampered with. The disclosed invention comprises the following steps: applying a removable adhesive to one side of an opaque paper masking label; cutting intermittent slits in said opaque paper masking label; embossing the adhesive side of said slit opaque paper masking label over confidential written material to be masked such that when said embossed opaque paper masking is removed from said material to be masked, said opaque paper masking label fragments and disintegrates due to the intermittent slits.

REFERENCES:
patent: 2812957 (1957-11-01), Sarlund
patent: 3900219 (1975-08-01), D'Amato et al.
patent: 4210688 (1980-07-01), Sato
patent: 4746556 (1988-05-01), Matsuguchi et al.

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